Ai, without question, but with influences from both Mitsuhiko and Kaito Kid.
I'm very intelligent (IQ ~140). Like all of them.
I never go outside except if I'm forced or for travelling (Ai).
I have a very rationalistic (and sometimes quite pessimistic) view of the world (Ai).
I know a lot of things you wouldn't expect from someone with my age (Mitsuhiko, Ai).
I like to show off (Mitsuhiko, Kaito).
I have a very unemotional way of living. While others get in rage arguing with my, I stay calm in (almost) every case, and I'm almost never overwhelmed by my feelings (Ai, Kaito?).
I'm also a somewhat lonely person, having few (but very good) friends, although I'm quite happy about that (Ai).
I think there are some other points, but these are the most important ones...

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or >:D are attached, that paragraph may not be 100% serious. Seriously.

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